:root{--navy-950:#071522;--navy-900:#0b1f33;--navy-800:#102d49;--navy-700:#163a5f;--navy-600:#24577f;--navy-100:#dcecf6;--atlantic-700:#163a5f;--atlantic-600:#24577f;--sky-500:#4a90c2;--sky-200:#b9d8ed;--copper-700:#86582d;--copper-600:#97683c;--copper-500:#b9824b;--brand-amber:#C28A3A;--copper-300:#d5a374;--copper-200:#e4c5a7;--copper-100:#f7ede2;--cloud-25:#fbfcfd;--cloud-50:#f5f7fa;--cloud-100:#edf1f5;--mist-200:#d9e1e8;--mist-300:#c6d0d9;--ink-900:#16212b;--ink-700:#344552;--ink-500:#637480;--white:#ffffff;--white-alpha-30:rgba(255,255,255,0.3);--focus-ring-alpha:rgba(74,144,194,0.25);--danger-ring-alpha:rgba(164,59,59,0.25);--copper-halo-alpha:rgba(185,130,75,0.16);--success-bg:#eaf4f0;--success-border:#9ec8b9;--success-text:#1d5644;--success-main:#27755d;--warning-bg:#fdf6ea;--warning-border:#eccd9a;--warning-text:#724c0d;--warning-main:#b87a14;--danger-bg:#fdf0f0;--danger-border:#e8b0b0;--danger-text:#6b1f1f;--danger-main:#a43b3b;--info-bg:#f0f7fc;--info-border:#b8daf0;--info-text:#174a6e;--info-main:#2672a6;--bg-page:var(--cloud-50);--surface-default:var(--white);--surface-subtle:var(--cloud-100);--surface-elevated:var(--white);--text-primary:var(--ink-900);--text-secondary:var(--ink-700);--text-muted:var(--ink-500);--text-inverse:var(--white);--border-default:var(--mist-200);--border-strong:var(--mist-300);--border-subtle:#e6ecf1;--action-primary:var(--navy-900);--action-primary-hover:var(--navy-800);--action-primary-active:var(--navy-950);--action-primary-text:var(--white);--action-secondary-bg:transparent;--action-secondary-border:var(--navy-900);--action-secondary-text:var(--navy-900);--action-secondary-hover:var(--cloud-100);--action-quiet-text:var(--navy-900);--action-quiet-hover:var(--cloud-100);--text-link:var(--atlantic-700);--text-link-hover:var(--navy-950);--focus-ring:var(--sky-500);--feedback-info-bg:var(--info-bg);--feedback-info-border:var(--info-border);--feedback-info-text:var(--info-text);--feedback-success-bg:var(--success-bg);--feedback-success-border:var(--success-border);--feedback-success-text:var(--success-text);--feedback-warning-bg:var(--warning-bg);--feedback-warning-border:var(--warning-border);--feedback-warning-text:var(--warning-text);--feedback-danger-bg:var(--danger-bg);--feedback-danger-border:var(--danger-border);--feedback-danger-text:var(--danger-text);--font-ui:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-display:"EB Garamond",Georgia,serif;--font-size-display:clamp(2.5rem,5vw,5rem);--font-size-h1:clamp(2.25rem,4vw,3.75rem);--font-size-h2:clamp(1.75rem,3vw,2.75rem);--font-size-h3:clamp(1.35rem,2vw,2rem);--font-size-h4:clamp(1.1rem,1.5vw,1.25rem);--font-size-body-lg:1.125rem;--font-size-body:1rem;--font-size-body-sm:0.875rem;--font-size-caption:0.75rem;--font-size-ui:0.875rem;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-display:1.05;--line-height-heading:1.15;--line-height-tight:1.25;--line-height-body:1.6;--letter-spacing-tight:-0.02em;--letter-spacing-normal:0em;--letter-spacing-wide:0.05em;--letter-spacing-eyebrow:0.12em;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--container-wide:76rem;--container-reading:46rem;--control-height-sm:2.25rem;--control-height-md:2.75rem;--control-height-lg:3.25rem;--radius-sm:0.25rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-pill:9999px;--shadow-sm:0 1px 2px 0 rgba(11,31,51,0.05);--shadow-md:0 4px 6px -1px rgba(11,31,51,0.08),0 2px 4px -1px rgba(11,31,51,0.04);--shadow-lg:0 10px 15px -3px rgba(11,31,51,0.1),0 4px 6px -2px rgba(11,31,51,0.05);--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-normal:250ms cubic-bezier(0.4,0,0.2,1);--z-dropdown:100;--z-sticky:200;--z-modal:500;--z-toast:600}[data-theme=dark]{--bg-page:var(--navy-950);--surface-default:var(--navy-900);--surface-subtle:var(--navy-800);--surface-elevated:var(--navy-800);--text-primary:var(--white);--text-secondary:var(--cloud-100);--text-muted:var(--mist-200);--text-inverse:var(--ink-900);--border-default:var(--navy-800);--border-strong:var(--navy-700);--border-subtle:var(--navy-900);--action-primary:var(--copper-500);--action-primary-hover:var(--copper-600);--action-primary-active:var(--copper-700);--action-primary-text:var(--navy-950);--action-secondary-bg:transparent;--action-secondary-border:var(--cloud-100);--action-secondary-text:var(--white);--action-secondary-hover:var(--navy-800);--action-quiet-text:var(--white);--action-quiet-hover:var(--navy-800);--text-link:var(--sky-500);--text-link-hover:var(--sky-200);--focus-ring:var(--sky-500)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;line-height:var(--line-height-body);-webkit-text-size-adjust:100%;scroll-behavior:smooth;color-scheme:light dark}body{background-color:var(--bg-page);color:var(--text-primary);font-family:var(--font-ui);font-size:var(--font-size-body);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;display:flex;flex-direction:column}main{flex:1 1}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.catalog-layout-grid{display:grid;grid-template-columns:1fr;grid-gap:var(--space-8);gap:var(--space-8)}.catalog-layout-grid>*{min-width:0}@media (min-width:768px){.catalog-layout-grid{grid-template-columns:16rem 1fr}}.catalog-sidebar{position:relative;padding-bottom:var(--space-4);border-bottom:1px solid var(--border-subtle);overflow:hidden}@media (min-width:768px){.catalog-sidebar{position:-webkit-sticky;position:sticky;top:5rem;max-height:calc(100vh - 6rem);overflow-y:auto;padding-right:var(--space-4);padding-bottom:0;border-bottom:none}}